| java.lang.Object
 org.zkoss.xel.util.Evaluators
| Evaluators | | public class Evaluators (Code) | | It mapps a name with an evaluator implementation.
author:
tomyeh
since:
3.0.0 |
| Method Summary | |
| final public static String | add(String name, String evalcls)
Adds an evaluator
(aka., the expression factory,
org.zkoss.xel.ExpressionFactory ).
Parameters:
name - the name of the evaluator, say, MVEL.It is case insensitive.
Parameters:
evalcls - the class name of the evaluator, aka., the expression factory(org.zkoss.xel.ExpressionFactory). | | final public static String | add(Element config)
Adds an evaluator based on the XML declaration. | | final public static boolean | exists(String name)
Tests whether the evaluator (aka., the expression factory)
for the specified evaluator name
exists. | | final public static Class | getEvaluatorClass(String name)
Returns the implementation for the specified evaluator name. | | final static synchronized void | load()
|
| add | | final public static String add(Element config)(Code) | | Adds an evaluator based on the XML declaration.
The evaluator is also known as the expression factory,
org.zkoss.xel.ExpressionFactory .
<xel-config>
<evaluator-name>SuperEL</evaluator-name><!-- case insensitive --!>
<evaluator-class>my.MySuperEvaluator</evaluator-class>
</xel-config>
Parameters:
config - the XML element called zscript-config the previous class, or null if not defined yet |
| exists | | final public static boolean exists(String name)(Code) | | Tests whether the evaluator (aka., the expression factory)
for the specified evaluator name
exists.
Parameters:
name - the name of the evaluator, say, MVEL. |
| getEvaluatorClass | | final public static Class getEvaluatorClass(String name)(Code) | | Returns the implementation for the specified evaluator name.
Parameters:
name - the name of the evaluator, say, MVEL.
exception:
SystemException - if not found or the class not found. |
| load | | final static synchronized void load()(Code) | | Loads from metainfo/xel/config
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